Portrait of the unknown. Ok. 1830. Donetsk Orest Adamovich Kiprensky (1782-1836)

The picture has something of this: people, portrait, wear, facial expression, man, neckwear, outerwear, jacket, menswear, leader, outfit, confidence, politician, tie, administration, cravat, blazer, popularity.
Perhaps it’s a painting of a man in a black suit and white shirt with a brown chair in front of him and a brown.